/* ==========================================
   invisa-RED™ Weight Loss Page Styles
   ========================================== */

/* CSS Variables */
:root {
    /* Primary Colors */
    --primary-blue: #007CB9;
    --primary-blue-dark: #005f8e;
    --primary-blue-light: #4a90e2;
    /* Secondary Colors */
    --secondary-green: #34a853;
    --secondary-green-dark: #2d8e47;
    /* Accent Colors */
    --accent-gold: #D4AF37;
    --accent-orange: #F18A21;
    --accent-red: #ea4335;
    /* Weight Loss palette */
    --wl-blue: #1a73e8;
    --wl-blue-dark: #1557b0;
    --wl-green: #34a853;
    /* Neutral Colors */
    --gray-50: #f8f9fa;
    --gray-100: #e8eaed;
    --gray-200: #dadce0;
    --gray-300: #bdc1c6;
    --gray-400: #9aa0a6;
    --gray-500: #5f6368;
    --gray-600: #3c4043;
    --gray-700: #202124;
    --white: #ffffff;
    /* Gradient Colors */
    --gradient-primary: linear-gradient(135deg, #1a73e8 0%, #4a90e2 100%);
    --gradient-success: linear-gradient(135deg, #34a853 0%, #66bb6a 100%);
    --gradient-gold: linear-gradient(135deg, #D4AF37 0%, #f0d060 100%);
    /* Typography */
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-display: 'Playfair Display', Georgia, serif;
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
    /* Tile style per brand protocol */
    --tile-border: 1px solid rgba(0, 0, 0, 0.12);
    --tile-glow: 0 0 20px rgba(0, 124, 185, 0.18);
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ==========================================
   Reset & Base Styles
   ========================================== */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-700);
    background-color: var(--white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ==========================================
   Navigation
   ========================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    transition: var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.logo {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
    gap: 2px;
}

.logo-main {
    font-size: 1.1rem;
    font-weight: 700;
    color: #1a2332;
    letter-spacing: -0.01em;
}

.logo-sub {
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--primary-blue);
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-xs);
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--gray-700);
    border-radius: 2px;
    transition: var(--transition-base);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    transition: var(--transition-fast);
    padding: var(--spacing-xs) 0;
}

.nav-menu a:hover {
    color: var(--primary-blue);
}

.btn-nav {
    padding: var(--spacing-xs) var(--spacing-md) !important;
    background: var(--gradient-primary) !important;
    color: var(--white) !important;
    border-radius: var(--radius-sm) !important;
}

/* ==========================================
   Hero Section
   ========================================== */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #e3f2fd 0%, #f3e5f5 100%);
    opacity: 0.7;
    z-index: -1;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 124, 185, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.hero-content {
    text-align: center;
    padding: var(--spacing-3xl) 0;
}

.fda-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: var(--gradient-gold);
    color: var(--gray-700);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-xl);
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-md);
}

.hero-title {
    font-family: var(--font-display);
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    color: var(--gray-700);
}

.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    max-width: 700px;
    margin: 0 auto var(--spacing-2xl);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
}

.stat-card {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: var(--tile-border);
    box-shadow: var(--tile-glow), var(--shadow-lg);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 30px rgba(0, 124, 185, 0.28), var(--shadow-xl);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--wl-blue);
    line-height: 1;
}

.stat-label {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-top: var(--spacing-xs);
}

.stat-detail {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-top: var(--spacing-xs);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-xl);
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-primary);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--white);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: var(--white);
    color: var(--wl-blue);
    border: 2px solid var(--wl-blue);
}

.btn-secondary:hover {
    background: var(--wl-blue);
    color: var(--white);
}

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.125rem;
}

.trust-indicators {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--secondary-green);
    font-weight: 500;
}

.trust-item i {
    font-size: 1.25rem;
}

/* ==========================================
   Section Headers
   ========================================== */

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary-blue);
    margin-bottom: var(--spacing-sm);
}

.section-header h2 {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
}

.section-header p {
    font-size: 1.125rem;
    color: var(--gray-600);
    max-width: 700px;
    margin: 0 auto;
}

/* ==========================================
   Clinical Results Section
   ========================================== */

.clinical-results {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
}

.clinical-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.clinical-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    border: var(--tile-border);
    box-shadow: var(--tile-glow);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.clinical-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 30px rgba(0, 124, 185, 0.28), var(--shadow-xl);
}

.clinical-card.featured {
    background: var(--gradient-primary);
    color: var(--white);
}

.clinical-card.safety {
    background: var(--gradient-success);
    color: var(--white);
}

.card-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.card-header i {
    font-size: 2rem;
}

.clinical-card.featured .card-header i,
.clinical-card.safety .card-header i {
    color: var(--white);
}

.card-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.clinical-card:not(.featured):not(.safety) .detail-row {
    border-bottom-color: var(--gray-200);
}

.detail-row:last-child {
    border-bottom: none;
}

.detail-row .label {
    font-weight: 500;
}

.detail-row .value {
    font-weight: 700;
    text-align: right;
}

.detail-row .highlight {
    color: var(--accent-gold);
}

.outcome-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--gray-200);
}

.outcome-item:last-child {
    border-bottom: none;
}

.outcome-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.outcome-content {
    flex: 1;
}

.outcome-value {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--wl-blue);
    line-height: 1;
}

.outcome-label {
    font-weight: 600;
    margin-top: var(--spacing-xs);
}

.outcome-detail {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.safety-badge {
    text-align: center;
    padding: var(--spacing-xl) 0;
}

.safety-number {
    font-size: 5rem;
    font-weight: 900;
    line-height: 1;
}

.safety-text {
    font-size: 1.125rem;
    font-weight: 600;
    margin-top: var(--spacing-sm);
}

.safety-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.safety-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* ==========================================
   How It Works Section
   ========================================== */

.how-it-works {
    padding: var(--spacing-3xl) 0;
}

.technology-overview {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-3xl);
    align-items: center;
}

.wavelength-display {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.wavelength {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: var(--tile-border);
    box-shadow: var(--tile-glow);
}

.wave-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
    flex-shrink: 0;
}

.wave-icon.red {
    background: linear-gradient(135deg, #e53935 0%, #ef5350 100%);
}

.wave-icon.infrared {
    background: linear-gradient(135deg, #8e24aa 0%, #ab47bc 100%);
}

.wave-number {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--gray-700);
}

.wave-label {
    font-weight: 600;
    color: var(--gray-600);
}

.wave-purpose {
    font-size: 0.875rem;
    color: var(--gray-500);
    margin-top: var(--spacing-xs);
}

.plus-sign {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-blue);
}

.tech-description h3 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-700);
    margin-bottom: var(--spacing-md);
}

.tech-description p {
    color: var(--gray-600);
    margin-bottom: var(--spacing-md);
}

.benefit-list {
    list-style: none;
}

.benefit-list li {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
    color: var(--gray-700);
}

.benefit-list i {
    color: var(--secondary-green);
    flex-shrink: 0;
    margin-top: 4px;
}

.process-steps {
    display: grid;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.step {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.step-number {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 800;
    box-shadow: var(--shadow-lg);
    flex-shrink: 0;
}

.step-content {
    background: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: var(--tile-border);
    box-shadow: var(--tile-glow);
}

.step-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-success);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-md);
}

.step-content h4 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
}

.step-content p {
    color: var(--gray-600);
    line-height: 1.7;
}

.metabolism-boost {
    margin-top: var(--spacing-2xl);
}

.boost-card {
    background: linear-gradient(135deg, #1a237e 0%, #283593 100%);
    color: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    display: grid;
    grid-template-columns: 100px 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.boost-icon {
    width: 100px;
    height: 100px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
}

.boost-content h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.boost-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.boost-stat {
    text-align: center;
}

.boost-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent-gold);
}

.boost-label {
    display: block;
    font-size: 0.875rem;
    margin-top: var(--spacing-xs);
}

.boost-comparison {
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-top: var(--spacing-md);
}

.boost-comparison i {
    color: var(--accent-gold);
}

/* ==========================================
   Treatment Protocol Section
   ========================================== */

.treatment-protocol {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
}

.protocol-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-3xl);
}

.protocol-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: var(--tile-border);
    box-shadow: var(--tile-glow);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.protocol-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 30px rgba(0, 124, 185, 0.28), var(--shadow-xl);
}

.protocol-icon {
    width: 70px;
    height: 70px;
    background: var(--gradient-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--white);
    margin-bottom: var(--spacing-md);
}

.protocol-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-700);
    margin-bottom: var(--spacing-md);
}

.protocol-detail {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--gray-200);
}

.protocol-detail:last-child {
    border-bottom: none;
}

.protocol-detail strong {
    color: var(--primary-blue);
}

.timeline-visual {
    background: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    border: var(--tile-border);
    box-shadow: var(--tile-glow);
}

.timeline-title {
    font-size: 2rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    color: var(--gray-700);
}

.timeline {
    position: relative;
    padding-left: var(--spacing-2xl);
}

.timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin-bottom: var(--spacing-xl);
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-marker {
    position: absolute;
    left: -40px;
    top: 0;
    width: 80px;
    height: 40px;
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    box-shadow: var(--shadow-md);
}

.timeline-content {
    background: var(--gray-50);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-left: var(--spacing-2xl);
}

.timeline-content h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-700);
    margin-bottom: var(--spacing-xs);
}

.timeline-content p {
    color: var(--gray-600);
}

.no-requirements {
    background: var(--gradient-success);
    color: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    text-align: center;
    margin-top: var(--spacing-2xl);
}

.no-requirements h3 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.no-requirements i {
    margin-right: var(--spacing-xs);
}

/* ==========================================
   Comparison Section
   ========================================== */

.comparison {
    padding: var(--spacing-3xl) 0;
}

.comparison-table {
    background: var(--white);
    border-radius: var(--radius-lg);
    border: var(--tile-border);
    box-shadow: var(--tile-glow), var(--shadow-lg);
    overflow: hidden;
}

.comparison-header {
    display: grid;
    grid-template-columns: 200px repeat(4, 1fr);
    background: var(--gray-700);
    color: var(--white);
    font-weight: 700;
}

.comparison-feature {
    padding: var(--spacing-md);
    border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.comparison-method {
    padding: var(--spacing-md);
    text-align: center;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.comparison-method:last-child {
    border-right: none;
}

.comparison-method.invisared {
    background: var(--gradient-primary);
}

.method-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-xs);
}

.method-name {
    font-size: 0.875rem;
}

.comparison-row {
    display: grid;
    grid-template-columns: 200px repeat(4, 1fr);
    border-bottom: 1px solid var(--gray-200);
}

.comparison-row:last-child {
    border-bottom: none;
}

.comparison-row:nth-child(even) {
    background: var(--gray-50);
}

.comparison-value {
    padding: var(--spacing-md);
    text-align: center;
    border-right: 1px solid var(--gray-200);
    font-size: 1.5rem;
}

.comparison-value:last-child {
    border-right: none;
}

.comparison-value.yes {
    color: var(--secondary-green);
}

.comparison-value.no {
    color: var(--gray-300);
}

.comparison-value.partial {
    color: var(--accent-gold);
}

.comparison-value.highlight {
    font-weight: 700;
    color: var(--primary-blue);
    font-size: 1rem;
}

/* ==========================================
   Testimonials Section
   ========================================== */

.testimonials {
    padding: var(--spacing-3xl) 0;
    background: var(--gray-50);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.testimonial-card {
    background: var(--white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: var(--tile-border);
    box-shadow: var(--tile-glow);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 30px rgba(0, 124, 185, 0.28), var(--shadow-xl);
}

.testimonial-rating {
    color: var(--accent-gold);
    margin-bottom: var(--spacing-md);
}

.testimonial-text {
    color: var(--gray-600);
    font-style: italic;
    line-height: 1.7;
    margin-bottom: var(--spacing-lg);
}

.testimonial-author {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 1.5rem;
}

.author-name {
    font-weight: 700;
    color: var(--gray-700);
}

.author-detail {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.testimonial-results {
    display: flex;
    gap: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--gray-200);
}

.result-badge {
    flex: 1;
    text-align: center;
    padding: var(--spacing-sm);
    background: var(--gradient-primary);
    color: var(--white);
    border-radius: var(--radius-md);
}

.result-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
}

.result-label {
    display: block;
    font-size: 0.75rem;
    margin-top: var(--spacing-xs);
}

/* ==========================================
   FAQ Section
   ========================================== */

.faq {
    padding: var(--spacing-3xl) 0;
}

.faq-grid {
    display: grid;
    gap: var(--spacing-md);
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--white);
    border-radius: var(--radius-md);
    border: var(--tile-border);
    box-shadow: var(--tile-glow);
    overflow: hidden;
    transition: box-shadow var(--transition-base);
}

.faq-item.active {
    box-shadow: 0 0 25px rgba(0, 124, 185, 0.22), var(--shadow-lg);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    cursor: pointer;
    user-select: none;
}

.faq-question h4 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-700);
}

.faq-question i {
    color: var(--primary-blue);
    transition: transform var(--transition-base);
    flex-shrink: 0;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}

.faq-item.active .faq-answer {
    max-height: 1000px;
}

.faq-answer p {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
    color: var(--gray-600);
    line-height: 1.7;
}

/* ==========================================
   Consultation CTA / Form Section
   ========================================== */

.consultation-cta {
    padding: var(--spacing-3xl) 0;
    background: linear-gradient(135deg, #1a237e 0%, #283593 100%);
    color: var(--white);
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.cta-header h2 {
    font-family: var(--font-display);
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.cta-header p {
    font-size: 1.25rem;
    opacity: 0.9;
}

.cta-benefits {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.cta-benefit {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.9rem;
}

.cta-benefit i {
    color: var(--accent-gold);
    font-size: 1.25rem;
    flex-shrink: 0;
}

.consultation-form-wrapper {
    background: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

/* Phone / prefer to call */
.contact-alternative {
    text-align: center;
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--gray-200);
}

.contact-alternative .prefer-call-label {
    color: var(--gray-600);
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
}

.contact-alternative .phone-number-large {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-blue);
    text-decoration: none;
    display: block;
    margin-bottom: var(--spacing-xs);
}

.contact-alternative .phone-number-large:hover {
    color: var(--wl-blue-dark);
}

.contact-alternative .office-hours {
    color: var(--gray-500);
    font-size: 0.9rem;
}

/* ==========================================
   Footer
   ========================================== */

.footer {
    background: #1a2332;
    color: var(--white);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-logo {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--white);
}

.footer-tagline {
    font-style: italic;
    opacity: 0.9;
    margin-bottom: var(--spacing-sm);
    color: var(--accent-gold);
    font-weight: 600;
}

.footer-description {
    opacity: 0.8;
    line-height: 1.6;
    font-size: 0.9rem;
}

.footer-section h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    color: var(--accent-gold);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: var(--spacing-xs);
}

.footer-links a {
    color: var(--white);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity var(--transition-fast);
    font-size: 0.9rem;
}

.footer-links a:hover {
    opacity: 1;
}

.footer-contact {
    list-style: none;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: var(--spacing-sm);
    opacity: 0.85;
    font-size: 0.9rem;
    line-height: 1.4;
}

.footer-contact li i {
    color: var(--accent-gold);
    font-size: 1rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.footer-social {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.footer-social a {
    width: 38px;
    height: 38px;
    background: rgba(255, 255, 255, 0.12);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: background var(--transition-fast);
}

.footer-social a:hover {
    background: var(--primary-blue);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    opacity: 0.8;
    margin-bottom: var(--spacing-xs);
    font-size: 0.875rem;
}

.footer-note {
    font-size: 0.8rem;
    opacity: 0.6;
}

/* ==========================================
   Scroll to Top Button
   ========================================== */

.scroll-to-top {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 1.25rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 999;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

/* ==========================================
   Responsive Design
   ========================================== */

@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }

    .section-header h2 {
        font-size: 2.5rem;
    }

    .technology-overview {
        grid-template-columns: 1fr;
    }

    .boost-card {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .comparison-header,
    .comparison-row {
        grid-template-columns: 150px repeat(4, 1fr);
        font-size: 0.875rem;
    }

    .method-icon {
        font-size: 1.5rem;
    }

    .comparison-value {
        font-size: 1.25rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .clinical-grid {
        grid-template-columns: 1fr;
    }

    .protocol-grid {
        grid-template-columns: 1fr;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .cta-benefits {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--white);
        box-shadow: var(--shadow-lg);
        padding: 0;
        gap: var(--spacing-sm);
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease, padding 0.3s ease;
    }

    .nav-menu.active {
        max-height: 500px;
        padding: var(--spacing-md);
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .btn-large {
        width: 100%;
        justify-content: center;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .clinical-grid {
        grid-template-columns: 1fr;
    }

    .step {
        grid-template-columns: 60px 1fr;
        gap: var(--spacing-md);
    }

    .step-number {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    .boost-stats {
        grid-template-columns: 1fr;
    }

    .protocol-grid {
        grid-template-columns: 1fr;
    }

    .timeline {
        padding-left: var(--spacing-lg);
    }

    .timeline-marker {
        left: -35px;
        width: 70px;
        height: 35px;
        font-size: 0.875rem;
    }

    .timeline-content {
        margin-left: var(--spacing-md);
    }

    .comparison-table {
        overflow-x: auto;
    }

    .comparison-header,
    .comparison-row {
        min-width: 700px;
    }

    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .cta-header h2 {
        font-size: 2rem;
    }

    .cta-benefits {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .contact-alternative .phone-number-large {
        font-size: 1.6rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .hero-title {
        font-size: 2rem;
    }

    .section-header h2 {
        font-size: 1.75rem;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .trust-indicators {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .wavelength {
        flex-direction: column;
        text-align: center;
    }

    .testimonial-results {
        flex-direction: column;
    }

    .boost-card {
        padding: var(--spacing-lg);
    }
}